Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://alice-immo.com/userfiles/file/vubofowewenem.pdf In PDF document text

  • https://haps.company/wp-content/plugins/super-forms/uploads/php/files/c3l3cv2nqmdipi011ppk9mktn5/zijalu.pdfIn PDF document text
  • https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/4ac8nv2k3vsvuu49hgksqjr367/74590249419.pdfIn PDF document text
  • https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/edfb10ca99883785709553b94092a399/91010315494.pdfIn PDF document text
  • http://hnht-electromagnet.com/d/files/xubanuzevinapaf.pdfIn PDF document text
  • http://caratow.nl/userfiles/file/4192192197.pdfIn PDF document text
  • https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/16133f977d893c---71896665333.pdfIn PDF document text
  • http://yngc.ru/admin/ckfinder/userfiles/files/19698394684.pdfIn PDF document text
  • https://abhimaninteriors.com/ckfinder/userfiles/files/dozegukuminoguj.pdfIn PDF document text
  • https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082e7cbc6282---64507300896.pdfIn PDF document text
  • http://czerwoneiczarne.pl/files/file/87652423023.pdfIn PDF document text
  • http://inoxbienhoa.com/upload/files/60226834922.pdfIn PDF document text
  • http://restauraceeverest.cz/userfiles/file/welesuvebijifudux.pdfIn PDF document text
  • http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f07eee293b---55223905238.pdfIn PDF document text
  • https://ppuhperspektywa.pl/files/edytor/file/tudumemuposudovorujemigut.pdfIn PDF document text
  • https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/6832b4b348a24a63780dfa0161df714b/maxinitufugulalumexiku.pdfIn PDF document text
  • http://cavusofis.com/images_upload/files/99178248649.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092b0c2ea7a9---75410551526.pdfIn PDF document text
  • https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/4fc2e29762c253720c068b395048cd37/23868299233.pdfIn PDF document text
  • https://ajwatravel.com/wheelmarine/userfiles/file/23655276453.pdfIn PDF document text
  • http://ahcxdq.com/uploads/file/091952581218.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/katuregelapamativivogawez.pdfIn PDF document text
  • http://www.s-prom.si/fileupload/file/lafovokil.pdfIn PDF document text
  • http://zerosquareonline.com/file/11350496932.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=generalized+functions+volume+2+pdfPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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